I will suggest using custom fields for it. List of good ones: https://www.advancedcustomfields.com/ https://carbonfields.net/docs/ Those custom fields provide you with an option to create a select field and you can display the gallery depending on a type chosen. Please let me know if you need further information.
I don’t like how WordPress processes the gallery shortcode. This is some slightly modified code I had that I’ve used to get the images in a gallery. In this example, the attachments (and thus their IDs) would only be available after the gallery shortcode has been processed. If you’re looking to display different HTML than … Read more
What you’re seeing is Serialized Data. WordPress does this automagically when trying to save an array or object to the database. The get_post_meta() function will unserialize the data if you pass the right parameters: $array = get_post_meta( $post->ID, // The post ID you want metadata from ‘_key_name’, // The meta key name true // Whether … Read more
how do i can make a preview of image gallery
<?php $loop = new WP_Query( array( ‘post_type’ => ‘gallery’, ‘posts_per_page’ => 100 ) ); while ( $loop->have_posts() ) : $loop->the_post(); if ( $gallery = get_post_gallery( get_the_ID(), false ) ) : $img_ids = explode( ‘,’, $gallery[‘ids’] ); /* Loop through all the image and output them one by one */ foreach( $gallery[‘src’] as $key => $src … Read more
You could do this by adding custom fields to user profile pages, I would use Advanced Custom Fields and make a repeater field that shows on profile pages. Also, this plugin or this one seem to do what your looking for.
Getting gallery instead of single attachment
How to automatic specify images in content added to gallery
Multiple WordPress Standard Galleries on a page stop images being displayed from other page galleries
You can use bootstrap grid system . https://getbootstrap.com/docs/4.0/layout/grid/